How to change civ5 xml

[civvver]

Can anyone tell me where the civ5 xml is located on windows 7? I want to change some tile yields around. I did this all the time on civ4 but I can't figure out where any of this stuff goes for civ5/windows 7.

 

[Garett20]

c:/programfiles(x86)/steam/steammaps/common/sid meiers civilization V/assets/gameplay/xml/terrain